JSFiddle - React, Tailwind, and code Playground

by Alex83

HTML

<div class="header">Шапка сайта</div>

CSS

* { 
   margin: 0;
   padding: 0;
}
.header {
   width: 100%;
   background: blue;
   color: #fff;
   text-align: center;
   font: bold 25px Arial;
}